Year: 50 a.C. - 50 d.C.
Dimension: Higth 3,7 cm ; Diameter 7,6 cm
Late 1st century B.C./Early 1st century A.D. A roman mosaic glass patella cup, double convex bowl, almost horizontal rim with round edge, side with two convex curves, upper side of floor convex, low out splayed base ring with round edge, mosaic pattern formed from polygonal section and few broken lengths round composite bar of different colors : black matrix decorated with green, turquoise and red spot.
By the fifteenth century B.C. several casting techniques were developed in the Near East and Egypt but despite the early date of their invention they received only limited use until the Hellenistic period. Royal courts of the new kingdoms founded by the successors of Alexander the Great craved for luxury goods. By the late first century A.D., glass workshops were well established and today approximately 130 names of ancient glassblowers are known. Once they knew how to make larger glass vessels, glassmakers started to think about their decoration which resulted in more new techniques that produced objects of great beauty. Mosaic glass is one type of cast glassware, made by fusing sections of preformed cane, usually producing pretty colorful patterns. Cane a long, slender rod of glass, usually with polychrome patterns, intended to be cut into sections or lengths and used in the manufacture of mosaic vessels or objects.